CVE-2026-19650

HIGH 7.1 ALL-YEARS

Published 2026-08-17 · Last modified 2026-08-17 · GitLab · NVD: Analyzed

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.

ELEVATED IMPACT

Severe if exploited (CVSS 7.1), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 11th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

7.1CVSS 3.1 · HIGH · CNA

ConfidentialityNone
IntegrityHigh
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
⚠User interaction: A user must take an action (click / open a file)
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot: 2026-10-26T04:59:11.116Z

Affected

Vendors Gitlab

Products Gitlab

Weakness (CWE)

CWE-352: : Cross-Site Request Forgery (CSRF)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

1 candidate

https://github.com/HORKimhab/CVE-2026-19650-CVE-2026-19478
CVE-2026-19650, CVE-2026-19478 - Draft or TODO
PoC-in-GitHub · CVE-2026-19650
PoC-in-GitHub · CVE-2026-19650 · Updated 2026-08-17T23:33:28Z

Known Affected Software Configurations

Vendor	Product	Version range
Gitlab	Gitlab	≥ 18.2.0 and < 18.11.11
Gitlab	Gitlab	≥ 18.2.0 and < 18.11.11
Gitlab	Gitlab	≥ 19.0.0 and < 19.0.8
Gitlab	Gitlab	≥ 19.0.0 and < 19.0.8
Gitlab	Gitlab	≥ 19.1.0 and < 19.1.6
Gitlab	Gitlab	≥ 19.1.0 and < 19.1.6
Gitlab	Gitlab	≥ 19.2.0 and < 19.2.4
Gitlab	Gitlab	≥ 19.2.0 and < 19.2.4

All CVSS metrics

HIGH 7.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
HIGH 7.1 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

References

Exploit-tagged references (not proof of a PoC)

https://hackerone.com/reports/3903669 technical-descriptionexploitpermissions-requiredPermissions RequiredCVE record · GitLab · Updated 2026-08-17T20:04:56.287Z
NVD · CVE-2026-19650 · Updated 2026-09-02T13:07:13.537

Advisories

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/ Vendor AdvisoryCVE record · GitLab · Updated 2026-08-17T20:04:56.287Z
NVD · CVE-2026-19650 · Updated 2026-09-02T13:07:13.537
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-60371 ADVISORYEUVD · EUVD-2026-60371

Technical & other

https://gitlab.com/gitlab-org/gitlab/-/work_items/612617 Not ApplicableCVE record · GitLab · Updated 2026-08-17T20:04:56.287Z
NVD · CVE-2026-19650 · Updated 2026-09-02T13:07:13.537

Sources: NVD · CVE.org · All sources and attribution · EPSS